You can only modify the SQL name and description of the SQL statements stored in the SQL Repository.
To modify the name or description
From the SQL Repository window, select the SQL you want to modify from the left pane.
Right-click and select Modify to open the Modify SQL window.
Modify the name and/or description.
Note: SQL text cannot be modified. You must delete the current SQL and recreating a new one to change the SQL text.